function varargout = TLMathDlg(action,varargin)

% TL_MATH_DLG manages the user interface for TargetLink Math block
%
% SYNTAX dlgInfo = TLMathDlg('GetDlgInfo');
%   gets dialog info of TargetLink Math block
%
%   INPUT ARGUMENTS
%   -/-      
%
%   OUTPUT ARGUMENTS
%   dlgInfo     dialog information contains pageNames etc.
%
% SYNTAX [sheetDims, ctrlPos] = TLMathDlg('CtrlPositions', pageName, commonGeom, dlgInfo, sheetDims);
%   calculates the control positions of all controls of dialog page: <pageName>
%
%   INPUT ARGUMENTS
%   pageName        name of current page
%   commonGeom      common geometry data
%   dlgInfo         dialog information contains pageNames etc.
%   sheetDims       dimension of sheet
%
%   OUTPUT ARGUMENTS
%   sheetDims       modified dimension of sheet
%   ctrlPos         positions of controls
%
% SYNTAX dlgdata = TLMathDlg('Create', pageName, dlgfig, dlgdata);
%   creates all controls of dialog page: <pageName>
%
%   INPUT ARGUMENTS
%   pageName        name of current page
%   dlgfig          figure handle
%   dlgdata         dialog data
%
%   OUTPUT ARGUMENTS
%   dlgdata         modified dialog data
%
% SYNTAX [dlgdata,bModified] = TLMathDlg('Manage', pageName, dlgfig, dlgdata, pageAction);
%   manages all actions of dialog page: <pageName>
%
%   INPUT ARGUMENTS
%   pageName        name of current page
%   dlgfig          figure handle
%   dlgdata         dialog data
%   pageAction      modified control of current page
%
%   OUTPUT ARGUMENTS
%   dlgdata         modified dialog data
%   bModified       flag = 1, if dialog data are modified, =0 otherwise
%
% SYNTAX dlgdata = TLMathDlg('Update', dlgfig, dlgdata, pageNum);
%   updates all controls of dialog page: <pageNum>
%
%   INPUT ARGUMENTS
%   dlgfig          figure handle
%   dlgdata         dialog data
%   pageNum         number of current page
%
%   OUTPUT ARGUMENTS
%   dlgdata         modified dialog data
%
% SYNTAX TLMathDlg('Apply', dlgfig, dlgdata);
%   writes current blockdata to block and DD
%
%   INPUT ARGUMENTS
%   dlgfig      handle for dialog figure
%   dlgdata     dialog data
%
%   OUTPUT ARGUMENTS
%   - / -


% Author(s): D. Andoleit, T. Pietzsch
% $RCSfile: TLMathDlg.m $
% $ProjectName: e:/ARC/Components/HostSW/SimulinkBlocksets/TLBlocksets/CommonBlockset/CommonBlockset_SimBlocksUI/Sources/MSrc/project.pj $
% $Revision: 1.16 $
% $Date: 2011/07/21 14:25:30MESZ $
%
% Copyright ?2011 dSPACE GmbH. All rights reserved.


switch action
    case 'GetDlgInfo'
        hBlock = varargin{1};
        dlgInfo = tl_get_dlginfodefaults('tlsim');
        titleName = 'Math';
        pathinfo = tl_pathinfo(hBlock);
        dlgInfo.title = sprintf('TargetLink %s: %s', titleName, pathinfo.shortDisplayName);
        dlgInfo.pageNames   = {
            'Output';
            'Logging & Autoscaling';
            'Documentation'};
        varargout{1} = dlgInfo;
        varargout{2} = get_tlcg_data(hBlock);

    case 'CtrlPositions'
        pageName     = varargin{1};
        commonGeom   = varargin{2};
        sheetDims    = varargin{4};
        switch pageName
            case 'Output'
                [sheetDims, ctrlPos] = ...
                    FcnCalcOutputCtrlPositions(commonGeom);

            case 'Logging & Autoscaling'
                excludedCtrls = {'keepParameter'};
                [sheetDims, ctrlPos] = ...
                    TLManageLoggingCtrls('calcCtrls', commonGeom, sheetDims, excludedCtrls);

            case 'Documentation'
                bTblBlock = 0;
                bCodeComment = 1;
                [sheetDims, ctrlPos] = TLManageDocCtrls( ...
                    'ctrlpos', commonGeom, sheetDims, bCodeComment, bTblBlock);
        end
        varargout{1} = sheetDims;
        varargout{2} = ctrlPos;

    case 'Create'
        pageName = varargin{1};
        dlgfig   = varargin{2};
        dlgdata  = varargin{3};
        pageNum  = strmatch(pageName, dlgdata.pageNames, 'exact');
        switch pageName
            case 'Output'
                dlgdata = FcnCreateOutputControls(pageNum, dlgfig, dlgdata);

            case 'Logging & Autoscaling'
                dlgdata = ...
                    TLManageLoggingCtrls('create',pageNum,dlgfig,dlgdata);

            case 'Documentation'
                dlgdata =  TLManageDocCtrls('create', pageNum, dlgfig, dlgdata);
        end
        dlgdata.pageData{pageNum}.ctrlPos = [];
        varargout{1} = dlgdata;

    case 'Manage',
        pageName   = varargin{1};
        dlgfig     = varargin{2};
        dlgdata    = varargin{3};
        pageAction = varargin{4};
        pageNum    = strmatch(pageName, dlgdata.pageNames, 'exact');
        switch pageName
            case 'Output'
                [dlgdata, bModified] = ...
                    FcnManageOutputControls(pageNum, dlgfig, dlgdata, pageAction);

            case 'Logging & Autoscaling'
                [dlgdata, bModified] = ...
                    TLManageLoggingCtrls('manage', pageNum, dlgdata, pageAction, 'logdata');

            case 'Documentation'
                [dlgdata,bModified] = ...
                    TLManageDocCtrls('callback',pageNum,dlgfig,dlgdata, pageAction);
        end
        varargout{1} = dlgdata;
        varargout{2} = bModified ;

    case 'ManageSystemIcons',
        dlgfig     = varargin{1};
        dlgdata    = varargin{2};
        pageAction = varargin{3};
        [dlgdata, bModified] = FcnManageSystemIcons(dlgfig,dlgdata,pageAction);
        varargout{1} = dlgdata;
        varargout{2} = bModified;

    case 'Update'
        dlgfig    = varargin{1};
        dlgdata   = varargin{2};
        pageNum   = varargin{3};

        pageName  = dlgdata.pageNames{pageNum};

        switch pageName
            case 'Output'
                dlgdata = FcnUpdateOutputControls(dlgdata, dlgfig, pageNum); % output page

            case 'Logging & Autoscaling'
                dlgdata =  TLManageLoggingCtrls('update',pageNum,dlgdata,'logdata','output');
                TLManageLoggingCtrls('setCtrls',pageNum, dlgfig, dlgdata);

            case 'Documentation'
                TLManageDocCtrls('update', pageNum, dlgfig, dlgdata);
        end
        varargout{1} = dlgdata;

    case 'Apply'
        dlgdata  = varargin{2};
        bClose   = varargin{3};
        [dlgdata, bClose] = tl_apply_blockdata(dlgdata, bClose);
        varargout{1} = dlgdata;
        varargout{2} = bClose;

    otherwise
        error(['Invalid action "' action '"']);
end


%-----------------------------------------------------------------------------------------
% FcnManageSystemIcons manage actions of toolbar icons
%
% INPUT ARGUMENTS
%   dlgfig      handle for dialog figure
%   dlgdata     dialog data
%   action      action at one control of current page
%
% OUTPUT ARGUMENTS
%   dlgdata     modified dialog data
%   bModified   flag = 1, if dialog data are modified, =0 otherwise
%-----------------------------------------------------------------------------------------
function [dlgdata, bModified] = FcnManageSystemIcons(dlgfig, dlgdata, action) %#ok

bModified = false;
switch action
    case 'EditCode'
        % look for associated production code file
        [codefile,blockstr] = get_codefile(dlgdata.model);
        if ~isempty(codefile)
            codeedit(codefile,blockstr);
        end

    case 'ViewCode'
        tl_create_links_to_model('ShowComputation',dlgdata.model, 'output');

    otherwise
        error('Invalid callback');

end % switch(action)


%-----------------------------------------------------------------------------------------
% FcnCalcOutputCtrlPositions calculates positions for all controls on output page
%
% INPUT ARGUMENTS
%   commonGeom      common geometrie information
%
% OUTPUT ARGUMENTS
%   sheetDims       modified dimension of sheet
%   ctrlPos         positions of controls
%
% HINT:
% Positions are calculated from the bottom left of the figure to avoid
% dependencies on figure size
%-----------------------------------------------------------------------------------------
function [sheetDims, ctrlPos] = FcnCalcOutputCtrlPositions(commonGeom)

excludedCtrls = {'inheritproperties'};
[sheetDims, ctrlPos, col, colDelta, rowDelta] = ...
    tl_calc_ctrls_positions(commonGeom, excludedCtrls); %#ok

strings_and_styles = { ...
    'Function:',         'text';
    ' magnitude^2 ',     'popupmenu';
    'Handle exceptions in the production code', 'checkbox'};

[functionLabelSize, ...
    functionPopupSize, ...
    exceptionCheckboxSize] = ...
    ds_get_uicontrol_sizes(commonGeom,strings_and_styles);

% correct function
functionPopupSize = ctrlPos.lsbEdit(3:4);
% all controls lie in one row
cy = commonGeom.frameBottomEdgeBuffer;

% function selection label
cx = col(1);
ctrlPos.functionLabel = [cx cy functionLabelSize];

% function select popup
cx = col(2);
ctrlPos.functionPopup = [cx cy functionPopupSize];

% exception checkbox
cx = col(4);
ctrlPos.exceptionCheckbox = [cx cy exceptionCheckboxSize];

% increase sheet dimensions
sheetDims(2) = sheetDims(2) ...
    + ctrlPos.addoptGroupbox(4) ...
    + commonGeom.textHeight;


%-----------------------------------------------------------------------------------------
% FcnCreateOutputControls creates the figure window
%
% INPUT ARGUMENTS
%   pageNum     number of current page
%   dlgfig      handle for dialog figure
%   dlgdata     dialog data
%
% OUTPUT ARGUMENTS
%   dlgdata     modified dialog data
%-----------------------------------------------------------------------------------------
function dlgdata = FcnCreateOutputControls(pageNum,dlgfig,dlgdata)

% create all controls
dlgdata = TLManageVariableCtrls('create', pageNum, dlgfig, dlgdata);
dlgdata = TLManageScalingCtrls('create', pageNum, dlgfig, dlgdata);

ctrlPos = dlgdata.pageData{pageNum}.ctrlPos;
Children = dlgdata.pageData{pageNum}.children;
pageName = dlgdata.pageNames{pageNum};

% function controls
Children.addoptGroupbox = uipanel( ...
    'Parent',            dlgfig, ...
    'Title',            {'Function'}, ...
    'Units',            'pixels', ...
    'Position',          ctrlPos.addoptGroupbox);

Children.functionLabel = uicontrol( ...
    'Parent',            Children.addoptGroupbox, ...
    'Style',             'text', ...
    'String',            'Function:', ...
    'Position',          ctrlPos.functionLabel);

Children.functionPopup = uicontrol( ...
    'Parent',            Children.addoptGroupbox, ...
    'Style',             'popupmenu', ...
    'String',            {'exp'}, ...
    'Value',             1, ...
    'Position',          ctrlPos.functionPopup, ...
    'Callback',           sprintf('tldlg(''%s'',gcbf,''functionPopup'')',pageName));

Children.exceptionCheckbox = uicontrol( ...
    'Parent',             Children.addoptGroupbox, ...
    'Style',              'checkbox', ...
    'String',             'Handle exceptions in the production code', ...
    'Position',           ctrlPos.exceptionCheckbox, ...
    'Callback',           sprintf('tldlg(''%s'',gcbf,''exceptionCheckbox'')',pageName));

dlgdata.pageData{pageNum}.children = Children;


%-----------------------------------------------------------------------------------------
% FcnManageOutputControls manage control actions of output page
%
% INPUT ARGUMENTS
%   pageNum     number of current page
%   dlgfig      handle for dialog figure
%   dlgdata     dialog data
%   pageAction  action at one control of current page
%
% OUTPUT ARGUMENTS
%   dlgdata     modified dialog data
%   bModified   flag = 1, if dialog data are modified, =0 otherwise
%-----------------------------------------------------------------------------------------
function [dlgdata, bModified] = FcnManageOutputControls(pageNum,dlgfig,dlgdata,pageAction)

% prepare needed data
Children  = dlgdata.pageData{pageNum}.children;

switch pageAction
    case 'functionPopup'
        functions = get(Children.functionPopup, 'String');
        dlgdata.data.function = functions{get(Children.functionPopup, 'Value')};
        bModified = 1;

    case 'exceptionCheckbox'
        dlgdata.data.exceptionhandling = get(Children.exceptionCheckbox, 'Value');
        bModified = 1;

    otherwise
        [dlgdata, bModified1] = ...
            TLManageVariableCtrls('manage', pageNum, dlgfig, dlgdata, pageAction, 'output');
        [dlgdata, bModified2] = ...
            TLManageScalingCtrls('manage', pageNum, dlgfig, dlgdata, pageAction, 'output');
        bModified = bModified1 || bModified2;
end


%-----------------------------------------------------------------------------------------
% FcnUpdateOutputControls updates output controls
%
% INPUT ARGUMENTS
%   dlgdata     dialog data
%   dlgfig      figure handle of dialog
%   pageNum     page Number
%
% OUTPUT ARGUMENTS
%   dlgdata     modified dialog data
%--------------------------------------------------------------------------
function dlgdata = FcnUpdateOutputControls(dlgdata, dlgfig, pageNum)

% update variable controls for output
dlgdata = TLManageVariableCtrls('update', pageNum, dlgdata, 'output');
dlgdata = TLManageScalingCtrls('update', pageNum, dlgdata, 'output', []);
Children = dlgdata.pageData{pageNum}.children;

% default control status
fcnList = {'exp','log','10^u','log10','square','sqrt','pow','reciprocal','hypot','rem','mod'};
fcnIdx = strmatch(dlgdata.data.function, fcnList, 'exact');
if get_param(0, 'version') >= 7.5 && ~isequal(fcnIdx, 6)
    % R2010a introduced a separate SQRT block
    fcnList(6) = [];
    fcnIdx = strmatch(dlgdata.data.function, fcnList, 'exact');
end 
functionPopupCtrlStatus = struct('enable', 'on', 'string', {fcnList}, 'value', 1);
if isempty(fcnIdx)
    % unsupported Simulink function selected
    functionPopupCtrlStatus.string = [{dlgdata.data.function} functionPopupCtrlStatus.string];
    functionPopupCtrlStatus.iserror = 1;
else
    functionPopupCtrlStatus.value = fcnIdx;
end

exceptionCheckboxCtrlStatus = struct('enable', 'on');
bException = any(strcmp(dlgdata.data.function, ...
    {'log', 'log10', 'reciprocal', 'rem'}));
exceptionCheckboxCtrlStatus.value = dlgdata.data.exceptionhandling & bException;
exceptionCheckboxCtrlStatus.enable = flag2str(dlgdata.bIsFullVs & bException);

%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
% ANNOTATION * ChristophHo *
%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
% This error needs to be handled on Apply, too.
%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
% error handling: the hyperbolic and functions cannot be used with integer types
bNeedsFloatingType = any(strcmp(dlgdata.data.function, ...
    { 'exp', 'log', '10^u', 'log10', 'pow', 'hypot'}));
bIsFloatingType = ds_isa(['/Pool/Typedefs/' dlgdata.data.output.type], ...
    'floattype');
typeEditCtrlStatus = tl_get_control_userdata(Children.typeEdit);
typeEditCtrlStatus.iserror = typeEditCtrlStatus.iserror ...
    || (bNeedsFloatingType && ~bIsFloatingType);

% write control status of extra controls to the control
extraCtrlsList = {'functionPopup', ...
    'exceptionCheckbox'};
standardCtrlsList = {'typeEdit'};
ctrlsList = [extraCtrlsList standardCtrlsList];
for ctrlsNo = 1:length(ctrlsList)
    ctrl = Children.(ctrlsList{ctrlsNo});
    UserData = get(ctrl, 'UserData');
    UserData.ctrlStatus = eval([ctrlsList{ctrlsNo} 'CtrlStatus']);
    set(ctrl, 'UserData', UserData);
end

% set standard controls
TLManageVariableCtrls('setCtrls', pageNum, dlgfig, dlgdata);
TLManageScalingCtrls('setCtrls', pageNum, dlgfig, dlgdata);

% set non-standard controls
TLSetCtrlsStatus(dlgfig, Children, extraCtrlsList);
